<?php

class SalesOrderController extends Controller
{

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update', 'form'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}
	
	public function actionForm()
	{
		
		if (isset($_POST['form_action']))
		{

			$action = $_POST['form_action'];
			$items = $_POST['so'];
			
			if ('delete' == $action)
			{
				foreach($items as $itemId)
				{
					$itemObj = $this->loadModel($itemId);
					$itemObj->delete();
				}
			}
			
		}
		
		$this->redirect(array('index'));
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new SalesOrder;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['SalesOrder']))
		{
			$_POST['SalesOrder']['organization_id'] = Yii::app()->user->getState('organization_id');
			$model->attributes=$_POST['SalesOrder'];
			if ($model->save())
			{
				$this->saveLineItems($_POST, $model->id);

				Yii::app()->user->setFlash('notify',"<h3>Your Sales Order has been created.</h3>");
				$this->redirect(array("salesOrder/update/id/{$model->id}"));
				$this->refresh();

			}
		}

		$line_items = SalesOrderLineItem::getJsonDefaultLineItems();

		$this->render('create',array(
			'model'=>$model,
			'item_codes' => Item::getJsonItemCodeData(),
			'item_names' => Item::getJsonItemNameData(),
			'item_costs' => Item::getJsonItemCostData(),
			'line_items' => $line_items
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['SalesOrder']))
		{
			$model->attributes=$_POST['SalesOrder'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->id));
		}

		$line_items = SalesOrderLineItem::getJsonDefaultLineItems($id);

		$this->render('update',array(
			'model'=>$model,
			'item_codes' => Item::getJsonItemCodeData(),
			'item_names' => Item::getJsonItemNameData(),
			'item_costs' => Item::getJsonItemCostData(),
			'line_items' => $line_items
		));
	}
	
	private function saveLineItems($lineItemData, $soId)
	{

		for($i=0;$i<count($lineItemData['lineid']);$i++)
		{
			
			if ($lineItemData['item_code'][$i] != '')
			{
				$LineItem = new SalesOrderLineItem();
				$LineItem->sales_order_id = $soId;
				$LineItem->item_id =  $lineItemData['item_code'][$i];
				$LineItem->quantity = $lineItemData['quantity'][$i];
				$LineItem->discount = $lineItemData['discount'][$i];
				$LineItem->save();
			}

		}

	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$soList = SalesOrder::model()->findAll($criteria);
		
		$amount_decimals = Yii::app()->user->getState('quantity_decimals');
		
		$this->render('index',array(
			'soList'=>$soList,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new SalesOrder('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['SalesOrder']))
			$model->attributes=$_GET['SalesOrder'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=SalesOrder::model()->findByPk((int)$id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='sale-order-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
